Microsoft has released cumulative update 9 for SQL Server 2005 SP2. The details are published in KB article 953752.
To download the hotfix simply click on the "View and request hotfix downloads" link at the top of the article. Your platform is automatically detected so if you need the x64 build make sure to go to the link from an x64 machine, and vice-versa for x86.
Standard disclaimer applies here: Only apply if you're experiencing one of the issues specifically mentioned in the article.